Finding the Fourth Proportional to 143,017.57, 197,364.24 and 79,355.83

Step by Step Solution

1. Step 1: Write the proportion equation
   143,017.57 : 197,364.24 = 79,355.83 : x
2. Step 2: Convert to fraction form
   143,017.57/197,364.24 = 79,355.83/x
3. Step 3: Cross multiply
   143,017.57x = 197,364.24 × 79,355.83
4. Step 4: Simplify right side
   143,017.57x = 15,662,003,077.52
5. Step 5: Solve for x
   x = 15,662,003,077.52/143,017.57
6. Step 6: Final answer
   x = 109,511.04